Difference between AWD and FWD
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The difference between AWD and fwd is simple, but there are a lot of different issues that might get you confused. Here I will explain the difference between AWD and fwd for auto vehicles.

A couple of years ago, cars were only available with a front-wheel-drive design. But this changed when a new system was introduced called All-Wheel Drive or AWD for short. In order to perform better on slippery surfaces, AWD got the wheels to rotate at different speeds, giving them more traction to prevent skidding on inclines and declines. One downside of AWD is that it has higher fuel consumption but for some people that might not be such an issue.s an easy-to-understand guide. After that, I will compare them and at the end of the infographic, you can share it with your friends.

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A bit about AWD

AWD is a technology that drives all of the vehicle’s wheels equally to enhance traction. This type of system is also called 4WD, as in Four Wheel Drive. The term four-wheel drive was coined by Citroen in 1910 and became popular after World War II. Some new cars come with an AWD option. Common AWD systems include:

 

  1. High-torque, rear-wheel-drive designs
  2. Low-torque, rear-wheel-drive designs. These are actually a form of AWD. AWD and FWD are usually identical. The difference between the two is that many cars with an FWD have a front differential which automatically splits torque between the front and rear wheels.
  3. The full-time AWD system, which is a type of RWD and an AWD in one. It’s used to let some of the power go to the rear wheels instead of all going to the front wheels. This power distribution is controlled by a computer and sensors for stability and traction control.
  4. Multi-Mode AWD, which uses two rear-axle differentials, one for each axle.

 

For the most part, AWD and FWD are the same. However, there are several differences:

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  1. Most FWD cars have a limited-slip differential to control torque distribution. The differential’s ability to vary braking traction varies with road conditions, driving speed, and throttle opening. It’s controlled by engine speed, acceleration, or brake pressure.
  2. A limited-slip differential allows the drive wheels to rotate at different speeds. It also redirects torque from one wheel to another in order to improve traction.
  3. AWD’s don’t have a limited-slip differential, therefore they are not as good on slippery surfaces because they don’t allow the drive wheels to rotate at different speeds.
  4. Usually, an FWD vehicle has a front differential where the torque is split between the front and rear wheels by a viscous coupling.
  5. A limited-slip differential allows the drive wheels to rotate at different speeds. It also redirects torque from one wheel to another in order to improve traction.
  6. AWD’s don’t have a limited-slip differential, therefore they are not as good on slippery surfaces because they don’t allow the drive wheels to rotate at different speeds.
  7. Usually, an FWD vehicle has a front differential where the torque is split between the front and rear wheels by a viscous coupling.
  8. Most FWD cars have low-range gearing. The low-range gear ratio means that the engine has to do a lot of work to push the vehicle up steep hills or to pass slower vehicles on a hill. But with an AWD, the lower gears come in handy when traveling on uneven surfaces.
  9. Typically, an FWD provides better traction at higher speeds than an AWD does. For example, it’s important for FWD cars to have high-speed stability and grip during acceleration. This is because they can have tire breakdowns while driving faster. So, AWD is commonly used in vehicles that are loaded to transport heavy loads at lower speeds.
  10. Some vehicles are not AWD or FWD, but rather a H-AWD or an H-AWD2. This means the car has two engine management systems and can select one as FWD or AWD. If the system selects the wrong one, then a “transmission control unit” is selected instead.

 

Conclusion

So, now you know the difference between AWD and FWD. The differences between these two types of systems are small but it’s still important to have knowledge about them. By knowing the differences, you’ll be able to decide which system is better for your vehicle

 

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